18503290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{449}}^1$

素因数の和:786

約数の個数: 32

約数和(自身を含む): 36061200

約数和(自身を除く): 17557910

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 317, 449, 634, 898, 1585, 2245, 3170, 4121, 4490, 5837, 8242, 11674, 20605, 29185, 41210, 58370, 142333, 284666, 711665, 1423330, 1850329, 3700658, 9251645, 18503290]

約数ペア:

[(1, 18503290), (2, 9251645), (5, 3700658), (10, 1850329), (13, 1423330), (26, 711665), (65, 284666), (130, 142333), (317, 58370), (449, 41210), (634, 29185), (898, 20605), (1585, 11674), (2245, 8242), (3170, 5837), (4121, 4490)]